[INFO] fetching crate rfetch 0.4.2...
[INFO] testing rfetch-0.4.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rfetch 0.4.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rfetch 0.4.2
[INFO] finished tweaking crates.io crate rfetch 0.4.2
[INFO] tweaked toml for crates.io crate rfetch 0.4.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rfetch 0.4.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rfetch 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bd9762ee7dd79c7a078224bf870f6122285b7b8890821b22fb6a090e8b28632
[INFO] running `Command { std: "docker" "start" "-a" "7bd9762ee7dd79c7a078224bf870f6122285b7b8890821b22fb6a090e8b28632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bd9762ee7dd79c7a078224bf870f6122285b7b8890821b22fb6a090e8b28632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd9762ee7dd79c7a078224bf870f6122285b7b8890821b22fb6a090e8b28632", kill_on_drop: false }`
[INFO] [stdout] 7bd9762ee7dd79c7a078224bf870f6122285b7b8890821b22fb6a090e8b28632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fa43d8a592818c5f9b03632673a42a985cd4f03def04e5e4b03fca0df55c2fd
[INFO] running `Command { std: "docker" "start" "-a" "3fa43d8a592818c5f9b03632673a42a985cd4f03def04e5e4b03fca0df55c2fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rfetch v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/uname.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Uname {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub version: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Uname` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "3fa43d8a592818c5f9b03632673a42a985cd4f03def04e5e4b03fca0df55c2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa43d8a592818c5f9b03632673a42a985cd4f03def04e5e4b03fca0df55c2fd", kill_on_drop: false }`
[INFO] [stdout] 3fa43d8a592818c5f9b03632673a42a985cd4f03def04e5e4b03fca0df55c2fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e1d8cdccce5437410d483ff77a3f897972cd6de6df01753854c3b73c79a12c4
[INFO] running `Command { std: "docker" "start" "-a" "0e1d8cdccce5437410d483ff77a3f897972cd6de6df01753854c3b73c79a12c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rfetch v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/uname.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Uname {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub version: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Uname` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "0e1d8cdccce5437410d483ff77a3f897972cd6de6df01753854c3b73c79a12c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e1d8cdccce5437410d483ff77a3f897972cd6de6df01753854c3b73c79a12c4", kill_on_drop: false }`
[INFO] [stdout] 0e1d8cdccce5437410d483ff77a3f897972cd6de6df01753854c3b73c79a12c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d25b9c132f0c94d9021c6621f0ad389bf1205dba057d2f8ffd090f398df7d50c
[INFO] running `Command { std: "docker" "start" "-a" "d25b9c132f0c94d9021c6621f0ad389bf1205dba057d2f8ffd090f398df7d50c", kill_on_drop: false }`
[INFO] [stderr] warning: field `version` is never read
[INFO] [stderr]   --> src/uname.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Uname {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub version: String,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Uname` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rfetch` (bin "rfetch" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rfetch-002228cc14cad3fb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d25b9c132f0c94d9021c6621f0ad389bf1205dba057d2f8ffd090f398df7d50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25b9c132f0c94d9021c6621f0ad389bf1205dba057d2f8ffd090f398df7d50c", kill_on_drop: false }`
[INFO] [stdout] d25b9c132f0c94d9021c6621f0ad389bf1205dba057d2f8ffd090f398df7d50c